Full movie description "Fringe Anomaly XB-6783746":

Walter, Olivia, Peter and Astrid do not succeed to contact Michael and they decide to ask for help to Nina Sharp at the Ministry of Science. She takes them to a secret laboratory that belonged to the Massive Dynamic and is used by the resistance to study Observers. However the software does not recognize his mind and the group leaves Michael with Nina while the go to a Ministry of Science facility to bring a second interface to let Michael read Walter's mind. However Captain Windmark suspects of Nina and track her down. When he arrives at the laboratory, Nina hides Michael and when Windmark interrogates her, she commits suicide to protect her friends. When the Fringe group arrives, they find Michael and take him to the Harvard laboratory. Soon they learn who Donald is.

Reviews of the Fringe Anomaly XB-6783746

Walter, Olivia, Peter and Astrid do not succeed to contact Michael and
they decide to ask for help to Nina Sharp at the Ministry of Science.
She takes them to a secret laboratory that belonged to the Massive
Dynamic and is used by the resistance to study Observers. However the
software does not recognize his mind and the group leaves Michael with
Nina while the go to a Ministry of Science facility to bring a second
interface to let Michael read Walter's mind. However Captain Windmark
suspects of Nina and track her down. When he arrives at the laboratory,
Nina hides Michael and when Windmark interrogates her, she commits
suicide to protect her friends. When the Fringe group arrives, they
find Michael and take him to the Harvard laboratory. Soon they learn
who Donald is.

"Anomaly XB-6783746" is one of the best episodes of "Fringe". The story
is near to the end and revelations are disclosed, such as the identity
of Donald. The tragic end of Nina Sharp is a sad moment of the show.
Walter recovering his memories is the best part of the show. My vote is
nine.